'5 ohm resistor connected' diaporamas de présentation

The current through a 5-ohm resistor connected to a 150-V power supply is a. 1A. b. 10 A.

If you plug an electric toaster rated at 110 V into a 220-V outlet, current in the toaster will be a. twice what it should be. b. the same as if it were plugged into 110 V. c. half what it should be. d. more than twice what it should be. e. none of the above.

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